:root {
  /* Brand — mallard green, gold, sage */
  --green-950:     #0B1F16;
  --green-800:     #123B29;
  --green-700:     #1A4A34;
  --green-600:     #276B49;
  --green-500:     #34825A;
  --gold-700:      #9A7412;
  --gold-500:      #C9992E;
  --gold-400:      #DBAE47;
  --gold-300:      #E8C468;

  /* Backgrounds */
  --bg:            #F4F7F1;
  --surface:       #ffffff;
  --surface-muted: #EAEFE6;

  /* Borders */
  --border:        #E1E8DD;
  --border-strong: #CFDAC8;

  /* Text */
  --text:          #15271D;
  --text-muted:    #55675B;
  --text-hint:     #8A9A8F;

  /* Accent — Gold */
  --accent:        var(--gold-500);
  --accent-hover:  var(--gold-700);
  --accent-bg:     rgba(201,153,46,.12);
  --accent-text:   var(--gold-700);

  /* Status */
  --success:       #2E7D4F;
  --success-bg:    #E7F3EB;
  --error:         #B5533C;
  --error-bg:      #FBECE8;
  --info:          var(--green-700);
  --info-bg:       rgba(26,74,52,.10);

  --radius: 10px;
  --shadow: 0 1px 3px rgba(11,31,22,.06), 0 1px 2px rgba(11,31,22,.06);

  --font-display: ui-rounded, "SF Pro Rounded", "Hiragino Maru Gothic ProN", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Sarabun", "Noto Sans Thai", "Leelawadee UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--info); text-decoration: none; }
a:hover { text-decoration: underline; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(180deg, var(--gold-400), var(--gold-500));
  color: var(--green-950);
  box-shadow: 0 6px 14px -8px rgba(201,153,46,.6);
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-secondary { background: var(--surface); border-color: var(--border-strong); color: var(--text); }
.btn-secondary:hover { background: var(--surface-muted); }
.btn-danger { background: var(--error); color: #fff; }
.btn-danger:hover { opacity: .9; }
.btn-sm { padding: .35rem .75rem; font-size: .8rem; }
.btn-icon { padding: .4rem; width: 30px; height: 30px; justify-content: center; }
.btn-icon svg { width: 16px; height: 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-weight: 600; font-size: .85rem; margin-bottom: .35rem; color: var(--text); }
.form-control {
  width: 100%;
  padding: .6rem .75rem;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius);
  font-size: .95rem;
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
}
.form-control:focus { outline: none; border-color: var(--gold-500); box-shadow: 0 0 0 3px rgba(201,153,46,.18); }
.form-hint { font-size: .78rem; color: var(--text-hint); margin-top: .3rem; }
.form-error { font-size: .78rem; color: var(--error); margin-top: .3rem; }

.alert { padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; font-size: .9rem; }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-error { background: var(--error-bg); color: var(--error); }
.alert-info { background: var(--info-bg); color: var(--info); }

.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(480px 320px at 50% -6%, rgba(232,196,104,.16), transparent 60%),
    linear-gradient(160deg, var(--green-950) 0%, var(--green-800) 55%, var(--green-700) 100%);
}
.auth-card { width: 100%; max-width: 380px; }
.auth-brand { text-align: center; margin-bottom: 1.5rem; }
.auth-brand img { width: 96px; height: 96px; margin-bottom: .75rem; }
.auth-brand h1 { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; margin: 0; color: #fff; }
.auth-brand p { margin: .35rem 0 0; color: rgba(243,238,221,.72); font-size: .85rem; }
.auth-card .card { background: rgba(244,247,241,.98); }

table { border-collapse: collapse; width: 100%; }
.table th, .table td { padding: .65rem .75rem; border-bottom: 1px solid var(--border); text-align: left; font-size: .88rem; }
.table th { color: var(--text-hint); font-weight: 700; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }

.badge { display: inline-flex; align-items: center; padding: .15rem .6rem; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.badge-accent { background: var(--accent-bg); color: var(--accent-text); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-muted { background: var(--surface-muted); color: var(--text-muted); }
.badge-danger { background: var(--error-bg); color: var(--error); }